Y对ZM6合金的阻燃性能及时效处理对合金强化的影响
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摘要
通过在ZM6中添加微量稀土Y元素,可有效提升了ZM6的燃点。由试验得出了优化的稀土添加量。通过研究材料组织和力学性能,分析了时效处理对新型阻燃ZM6强化的影响。对时效强化机理进行了分析。结果表明,Y的最优添加量为0.4%。时效强化处理可显著提高阻燃ZM6的力学性能,从而克服因合金元素添加而造成的力学性能不达标的现象。最终得出了最优的时效强化工艺。
By adding trace rare earth elements in ZM6, the ignition point of ZM6 effectively enhances. The optimal amount of rare earth addition can be obtained by experiments. The effects of aging treatment on the strengthening of ZM6 flame retardant alloy were analyzed by studying the microstructure and mechanical properties of the material. The aging strengthening mechanism was analyzed. The results show that the optimal adding amout of Y is 0.4%. The aging strengthening treatment can significantly improve the mechanical properties of flame retardant ZM6 alloy, which can overcome the substandard phenomenon of the mechanical properties caused by the addition of alloy elements. At last,the optimal aging strengthening process is obtained.
By adding trace rare earth elements in ZM6, the ignition point of ZM6 effectively enhances. The optimal amount of rare earth addition can be obtained by experiments. The effects of aging treatment on the strengthening of ZM6 flame retardant alloy were analyzed by studying the microstructure and mechanical properties of the material. The aging strengthening mechanism was analyzed. The results show that the optimal adding amout of Y is 0.4%. The aging strengthening treatment can significantly improve the mechanical properties of flame retardant ZM6 alloy, which can overcome the substandard phenomenon of the mechanical properties caused by the addition of alloy elements. At last,the optimal aging strengthening process is obtained.
引文
[1]龙晋明,郭忠诚,朱晓云,等.稀土对Mg合金组织及阻燃性能的影响[J].昆明理工大学学报(理工版),2005,30(5):15-19.
[2] Sakamoto M.Suppression of ignition and burning of molten Mg alloys by Ca bearing stable oxide film[J].Journal of Materials Science Letters,1997,16(12):1048-1050.
[3]孙伯勤.镁合金压铸件在汽车行业中的巨大应用潜力[J].特种铸造及有色合金,2012(6):227-228.
[4]赵云虎,曾小勤,丁文江,等.Be和Ca对Mg-9A1-0.5Zn合金表面氧化行为的影响[J].中国有色金属学报,2000,10(6):847-852.
[5]黄晓锋.加铈、铍压铸镁合金阻燃性的研究[D].哈尔滨:哈尔滨工业大学,2001.
[6]程素玲,周尧和.合金元素Ca、Y对AZ91合金阻燃和力学性能的影响[D].西安:西北工业大学,2005.
[7]黄晓锋,周宏,何镇明.富铈稀土对镁合金起燃温度的影响[J].中国有色金属学报,2001,11(4):638-641.
[8]何上明,丁文江.Mg-Gd-Y-Zr(-Ca)合金的微观组织演变、性能和断裂行为研究[D].上海:上海交通大学,2007.
[9] Fu Penghuai, Peng Liming, Jiang Haiyan, et al.Fracture behavior and mechanical properties of Mg-4Y-2Nd-1Gd-0.4Zr(wt%)alloy at room temperature[J].Materials Science andEngineering A,2008,486(1/2):572-579.
[10] Li Daquan, Wang Qudong, Ding Wenjiang.Characterization of phases in Mg-4Y-4Sm-0.5Zr alloy processed by heat treatment[J].Materials Science and Engineering A,2006,428(1/2):295-300.
[2] Sakamoto M.Suppression of ignition and burning of molten Mg alloys by Ca bearing stable oxide film[J].Journal of Materials Science Letters,1997,16(12):1048-1050.
[3]孙伯勤.镁合金压铸件在汽车行业中的巨大应用潜力[J].特种铸造及有色合金,2012(6):227-228.
[4]赵云虎,曾小勤,丁文江,等.Be和Ca对Mg-9A1-0.5Zn合金表面氧化行为的影响[J].中国有色金属学报,2000,10(6):847-852.
[5]黄晓锋.加铈、铍压铸镁合金阻燃性的研究[D].哈尔滨:哈尔滨工业大学,2001.
[6]程素玲,周尧和.合金元素Ca、Y对AZ91合金阻燃和力学性能的影响[D].西安:西北工业大学,2005.
[7]黄晓锋,周宏,何镇明.富铈稀土对镁合金起燃温度的影响[J].中国有色金属学报,2001,11(4):638-641.
[8]何上明,丁文江.Mg-Gd-Y-Zr(-Ca)合金的微观组织演变、性能和断裂行为研究[D].上海:上海交通大学,2007.
[9] Fu Penghuai, Peng Liming, Jiang Haiyan, et al.Fracture behavior and mechanical properties of Mg-4Y-2Nd-1Gd-0.4Zr(wt%)alloy at room temperature[J].Materials Science andEngineering A,2008,486(1/2):572-579.
[10] Li Daquan, Wang Qudong, Ding Wenjiang.Characterization of phases in Mg-4Y-4Sm-0.5Zr alloy processed by heat treatment[J].Materials Science and Engineering A,2006,428(1/2):295-300.